Plaque

Definition

Plaque is a sticky, colorless film of bacteria and sugars that constantly forms on our teeth. It is the primary cause of cavities and gum disease.

5 Must Know Facts For Your Next Test

1. Plaque contains bacteria that produce acids after you eat or drink, which can damage tooth enamel and lead to decay.
2. Accumulation of plaque can lead to tartar (calculus), which is harder to remove and can cause periodontal disease.
3. Effective removal of plaque through daily brushing and flossing is crucial in maintaining oral health.
4. Plaque buildup can also contribute to bad breath by harboring odor-producing bacteria.
5. Diet plays a significant role in plaque formation; sugary foods and drinks provide an ideal environment for bacterial growth.

Review Questions

• What causes the formation of plaque on teeth?
• How does plaque contribute to tooth decay?
• Why is it important to regularly remove plaque from your teeth?

Related terms

Caries: Dental caries are caused by the demineralization of tooth enamel due to acid produced by bacterial fermentation of food debris.

Tartar: Tartar, or calculus, is hardened dental plaque that has been left untreated and can only be removed by professional cleaning.

Gingivitis:

Gingivitis is inflammation of the gums often caused by the accumulation of plaque along the gum line.